package com.zhen.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set = new HashSet<>();

    // 初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        for (int val : constraintAnnotation.vals()) {
            set.add(val);
        }
    }

    // 判断是否校验成功

    /**
     *
     * @param value 需要校验的值
     * @param context 校验的上下文信息
     * @return 成功返回true,失败返回 false
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return set.contains(value);
    }
}
